Air conditioner



FIG. 1 is a perspective view of an air conditioner showing my new design;

FIG. 2 is a plan view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a rear view thereof; and,

FIG. 8 is an enlarged sectional view thereof taken along line 8—8 in FIG. 3. 

The ornamental design for an air conditioner, as shown and described. 